820695120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3673}}^1$

素因数の和:3722

約数の個数: 240

約数和(自身を含む): 3116139840

約数和(自身を除く): 2295444720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 49, 56, 57, 60, 70, 76, 80, 84, 95, 98, 105, 112, 114, 120, 133, 140, 147, 152, 168, 190, 196, 210, 228, 240, 245, 266, 280, 285, 294, 304, 336, 380, 392, 399, 420, 456, 490, 532, 560, 570, 588, 665, 735, 760, 784, 798, 840, 912, 931, 980, 1064, 1140, 1176, 1330, 1470, 1520, 1596, 1680, 1862, 1960, 1995, 2128, 2280, 2352, 2660, 2793, 2940, 3192, 3673, 3724, 3920, 3990, 4560, 4655, 5320, 5586, 5880, 6384, 7346, 7448, 7980, 9310, 10640, 11019, 11172, 11760, 13965, 14692, 14896, 15960, 18365, 18620, 22038, 22344, 25711, 27930, 29384, 31920, 36730, 37240, 44076, 44688, 51422, 55095, 55860, 58768, 69787, 73460, 74480, 77133, 88152, 102844, 110190, 111720, 128555, 139574, 146920, 154266, 176304, 179977, 205688, 209361, 220380, 223440, 257110, 279148, 293840, 308532, 348935, 359954, 385665, 411376, 418722, 440760, 488509, 514220, 539931, 558296, 617064, 697870, 719908, 771330, 837444, 881520, 899885, 977018, 1028440, 1046805, 1079862, 1116592, 1234128, 1395740, 1439816, 1465527, 1542660, 1674888, 1799770, 1954036, 2056880, 2093610, 2159724, 2442545, 2699655, 2791480, 2879632, 2931054, 3085320, 3349776, 3419563, 3599540, 3908072, 4187220, 4319448, 4885090, 5399310, 5582960, 5862108, 6170640, 6839126, 7199080, 7327635, 7816144, 8374440, 8638896, 9770180, 10258689, 10798620, 11724216, 13678252, 14398160, 14655270, 16748880, 17097815, 19540360, 20517378, 21597240, 23448432, 27356504, 29310540, 34195630, 39080720, 41034756, 43194480, 51293445, 54713008, 58621080, 68391260, 82069512, 102586890, 117242160, 136782520, 164139024, 205173780, 273565040, 410347560, 820695120]

約数ペア:

[(1, 820695120), (2, 410347560), (3, 273565040), (4, 205173780), (5, 164139024), (6, 136782520), (7, 117242160), (8, 102586890), (10, 82069512), (12, 68391260), (14, 58621080), (15, 54713008), (16, 51293445), (19, 43194480), (20, 41034756), (21, 39080720), (24, 34195630), (28, 29310540), (30, 27356504), (35, 23448432), (38, 21597240), (40, 20517378), (42, 19540360), (48, 17097815), (49, 16748880), (56, 14655270), (57, 14398160), (60, 13678252), (70, 11724216), (76, 10798620), (80, 10258689), (84, 9770180), (95, 8638896), (98, 8374440), (105, 7816144), (112, 7327635), (114, 7199080), (120, 6839126), (133, 6170640), (140, 5862108), (147, 5582960), (152, 5399310), (168, 4885090), (190, 4319448), (196, 4187220), (210, 3908072), (228, 3599540), (240, 3419563), (245, 3349776), (266, 3085320), (280, 2931054), (285, 2879632), (294, 2791480), (304, 2699655), (336, 2442545), (380, 2159724), (392, 2093610), (399, 2056880), (420, 1954036), (456, 1799770), (490, 1674888), (532, 1542660), (560, 1465527), (570, 1439816), (588, 1395740), (665, 1234128), (735, 1116592), (760, 1079862), (784, 1046805), (798, 1028440), (840, 977018), (912, 899885), (931, 881520), (980, 837444), (1064, 771330), (1140, 719908), (1176, 697870), (1330, 617064), (1470, 558296), (1520, 539931), (1596, 514220), (1680, 488509), (1862, 440760), (1960, 418722), (1995, 411376), (2128, 385665), (2280, 359954), (2352, 348935), (2660, 308532), (2793, 293840), (2940, 279148), (3192, 257110), (3673, 223440), (3724, 220380), (3920, 209361), (3990, 205688), (4560, 179977), (4655, 176304), (5320, 154266), (5586, 146920), (5880, 139574), (6384, 128555), (7346, 111720), (7448, 110190), (7980, 102844), (9310, 88152), (10640, 77133), (11019, 74480), (11172, 73460), (11760, 69787), (13965, 58768), (14692, 55860), (14896, 55095), (15960, 51422), (18365, 44688), (18620, 44076), (22038, 37240), (22344, 36730), (25711, 31920), (27930, 29384)]